.chat-fab{right:24px;bottom:calc(24px + env(safe-area-inset-bottom));z-index:80;background:var(--grad);color:#fff;height:56px;box-shadow:var(--shadow-glow);transition:transform .3s var(--ease-out), opacity .25s, bottom .3s var(--ease-out);border-radius:999px;align-items:center;gap:8px;padding:0 22px 0 18px;font-size:15px;font-weight:700;display:inline-flex;position:fixed}.chat-fab:hover{transform:translateY(-2px)}.chat-fab:focus-visible{outline:3px solid var(--text);outline-offset:3px}.chat-fab svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.chat-fab-x{display:none}.chat-fab-dot{background:#34d399;border-radius:50%;width:9px;height:9px;position:absolute;top:9px;left:14px;box-shadow:0 0 0 2px #fff}.chat-fab.is-open{justify-content:center;width:56px;padding:0}.chat-fab.is-open .chat-fab-label,.chat-fab.is-open .chat-fab-ic,.chat-fab.is-open .chat-fab-dot{display:none}.chat-fab.is-open .chat-fab-x{display:block}body:has(.est-bar.is-shown) .chat-fab{bottom:calc(96px + env(safe-area-inset-bottom))}body:has(.est-bar.is-shown[data-open]) .chat-fab{visibility:hidden}@media (max-width:640px){.chat-fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));justify-content:center;width:56px;padding:0}.chat-fab-label{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.chat-fab-dot{top:6px;left:8px}.chat-fab.is-top{opacity:0;pointer-events:none;transform:translateY(12px)}.chat-fab.is-open{display:none}}.chat-panel{right:24px;bottom:calc(24px + 56px + 12px + env(safe-area-inset-bottom));z-index:300;background:var(--surface-solid);border:1px solid var(--border-strong);width:392px;height:min(620px,100dvh - 140px);box-shadow:var(--shadow);animation:chat-in .2s var(--ease-out);border-radius:22px;flex-direction:column;display:flex;position:fixed;overflow:hidden}.chat-panel[hidden]{display:none}@keyframes chat-in{0%{opacity:0;transform:translateY(8px)}}.chat-head{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:16px 16px 14px 18px;display:flex}.chat-avatar{background:var(--grad);border-radius:12px;flex:0 0 40px;place-items:center;height:40px;display:grid}.chat-avatar img{filter:brightness(0)invert();width:24px;height:24px}.chat-head-text{flex:1;min-width:0}.chat-title{letter-spacing:-.02em;font-size:15.5px;font-weight:750}.chat-status{color:var(--text-3);align-items:center;gap:6px;margin-top:2px;font-size:12.5px;display:flex}.chat-online{background:var(--success);border-radius:50%;width:7px;height:7px}.chat-close{width:44px;height:44px;color:var(--text-2);border-radius:12px;place-items:center;display:grid}.chat-close:hover{background:var(--surface-2);color:var(--text)}.chat-close svg,.chat-send svg,.chat-notice svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:20px;height:20px}.chat-log{overscroll-behavior:contain;flex-direction:column;flex:1;gap:10px;min-height:0;padding:16px;display:flex;overflow-y:auto}.chat-notice{border:1px solid var(--border);background:var(--bg-2);color:var(--text-2);border-radius:14px;gap:8px;padding:10px 12px;font-size:12.5px;line-height:1.55;display:flex}.chat-notice svg{width:16px;height:16px;color:var(--text-3);flex:0 0 16px;margin-top:2px}.chat-notice a{color:var(--primary);text-decoration:underline}.chat-msg{overflow-wrap:anywhere;border-radius:16px;max-width:86%;padding:11px 14px;font-size:14.5px;line-height:1.6}.chat-text{white-space:pre-wrap}.chat-bot{background:var(--bg-2);border:1px solid var(--border);color:var(--text);border-top-left-radius:6px;align-self:flex-start}.chat-user{background:var(--primary-2);color:#fff;border-top-right-radius:6px;align-self:flex-end}.chat-bot.is-error{border-color:color-mix(in srgb, var(--danger) 40%, transparent);background:color-mix(in srgb, var(--danger) 8%, var(--bg-2))}.chat-error-note{color:var(--danger);margin-top:8px;font-size:13px}.chat-bot.is-streaming .chat-text:after{content:"";vertical-align:-2px;background:var(--accent);border-radius:2px;width:7px;height:1.05em;margin-left:2px;animation:1s steps(2,start) infinite chat-blink;display:inline-block}@keyframes chat-blink{to{visibility:hidden}}.chat-typing{gap:4px;padding:4px 0;display:inline-flex}.chat-typing i{background:var(--text-3);border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite chat-dot}.chat-typing i:nth-child(2){animation-delay:.15s}.chat-typing i:nth-child(3){animation-delay:.3s}@keyframes chat-dot{0%,80%,to{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.chat-suggest,.chat-links{flex-wrap:wrap;gap:6px;display:flex}.chat-links{margin-top:10px}.chat-chip{border:1px solid var(--border-strong);background:var(--surface);min-height:36px;color:var(--text);text-align:left;border-radius:999px;align-items:center;padding:0 14px;font-size:13.5px;display:inline-flex}.chat-chip:hover{border-color:var(--primary)}.chat-chip-link{color:var(--primary);border-color:color-mix(in srgb, var(--primary) 40%, transparent);font-weight:650}.chat-chip-primary{background:var(--grad);color:#fff;border-color:#0000;font-weight:700}.chat-retry{margin-top:10px;font-weight:650}.chat-working{color:var(--text-3);align-items:center;gap:8px;font-size:13px;display:flex}.chat-stop{border:1px solid var(--border-strong);min-height:32px;color:var(--text);border-radius:10px;align-items:center;gap:6px;padding:0 12px;font-size:13px;display:inline-flex}.chat-stop-ic{background:currentColor;border-radius:2px;width:9px;height:9px}.chat-box{border:1px solid var(--border-strong);background:var(--bg-2);color:var(--text-2);border-radius:16px;gap:6px;padding:14px;font-size:14px;display:grid}.chat-box-title{color:var(--text);font-weight:750}.chat-form{border-top:1px solid var(--border);padding:10px 12px 12px}.chat-form[hidden]{display:none}.chat-input-row{border:1px solid var(--border-strong);background:var(--surface);border-radius:18px;align-items:flex-end;gap:8px;padding:6px 6px 6px 14px;display:flex}.chat-input-row:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent)}.chat-input{resize:none;min-width:0;color:var(--text);font:inherit;background:0 0;border:0;outline:none;flex:1;max-height:116px;padding:6px 0;font-size:16px;line-height:24px}.chat-input:disabled{color:var(--text-3)}.chat-send{background:var(--primary-2);color:#fff;border-radius:12px;flex:0 0 38px;place-items:center;height:38px;display:grid}.chat-send:disabled{background:var(--surface-2);color:var(--text-3)}.chat-foot{color:var(--text-3);justify-content:space-between;gap:8px;margin-top:6px;padding:0 4px;font-size:12px;display:flex}.chat-left{font-family:var(--font-mono);white-space:nowrap}.chat-left b{color:var(--text)}html.chat-lock,html.chat-lock body{overflow:hidden}@media (max-width:640px){.chat-panel{width:auto;height:var(--vvh,100dvh);padding-top:env(safe-area-inset-top);border:0;border-radius:0;inset:0}.chat-form{padding-bottom:calc(12px + env(safe-area-inset-bottom))}}@media (prefers-reduced-motion:reduce){.chat-panel{animation:none}.chat-fab{transition:none}.chat-typing i{opacity:.6;animation:none}.chat-bot.is-streaming .chat-text:after{opacity:.7;animation:none}}@media print{.chat-fab,.chat-panel{display:none!important}}